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  Regular Mixing in a Two-Dimensional Lattice System: The Coadsorption of N and O on Ru(0001)

Nagl, C., Schuster, R., Renisch, S., & Ertl, G. (1998). Regular Mixing in a Two-Dimensional Lattice System: The Coadsorption of N and O on Ru(0001). Physical Review Letters, 81(16), 3483-3486. doi:10.1103/PhysRevLett.81.3483.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0007-3198-6 Version Permalink: https://hdl.handle.net/21.11116/0000-0007-319B-3
Genre: Journal Article

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PhysRevLett.81.3483.pdf (Publisher version), 416KB
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https://hdl.handle.net/21.11116/0000-0007-319A-4
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1998
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 Creators:
Nagl, Christian1, Author           
Schuster, Rolf2, Author           
Renisch, Steffen2, Author           
Ertl, Gerhard2, Author           
Affiliations:
1Fritz Haber Institute, Max Planck Society, Faradayweg 4-6, 14195 Berlin, DE, ou_24021              
2Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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 Abstract: The coadsorption of N and O on Ru(0001) has been studied by scanning tunneling microscopy; by this technique we can distinquish between the two atomic adsorbates. N and O form a dense intermixed 2×2 phase in equilibrium with a dilute lattice gas. The two-dimensional “vapor pressure” of N, i.e., its concentration in the lattice gas, has been determined for various ratios of N and O in the dense phase by adjusting the total coverage of N and O. The resulting vapor pressure curve indicates a positive enthalpy of mixing, due to relatively weak N-O interactions in the dense phase.

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Language(s): eng - English
 Dates: 1998-03-021998-10-19
 Publication Status: Issued
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.81.3483
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: 4 Volume / Issue: 81 (16) Sequence Number: - Start / End Page: 3483 - 3486 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1